63633252645340 has 24 divisors (see below), whose sum is σ = 152719806349152. Its totient is φ = 21817115192640.

The previous prime is 63633252645317. The next prime is 63633252645341. The reversal of 63633252645340 is 4354625233636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63633252645341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227261616451 + ... + 227261616730.

It is an arithmetic number, because the mean of its divisors is an integer number (6363325264548).

Almost surely, 2^{63633252645340} is an apocalyptic number.

It is an amenable number.

63633252645340 is an abundant number, since it is smaller than the sum of its proper divisors (89086553703812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63633252645340 is a wasteful number, since it uses less digits than its factorization.

63633252645340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454523233197 (or 454523233195 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 52.

Adding to 63633252645340 its reverse (4354625233636), we get a palindrome (67987877878976).

The spelling of 63633252645340 in words is "sixty-three trillion, six hundred thirty-three billion, two hundred fifty-two million, six hundred forty-five thousand, three hundred forty".